Pump impeller



FIG. 1 is a front perspective view of a pump impeller showing our newdesign;

FIG. 2. is a back perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a side elevation view thereof, with the back of the pumpimpeller facing to the left of the page;

FIG. 6 is a side elevation view of the pump impeller shown in FIG. 5,with the back of the pump impeller facing to the right of the page;

FIG. 7 is a side elevation view of the pump impeller shown in FIG. 5,having been rotated ninety degrees both vertically and horizontally, theback of the pump impeller facing to the top of the page; and,

FIG. 8 is a side elevation view of the pump impeller shown in FIG. 7,with the back of the pump impeller facing the bottom of the page.

CLAIM The ornamental design for a pump impeller, as shown and describedherein.